CN103236895B - A kind of division frame structural design and control method and device - Google Patents
A kind of division frame structural design and control method and device Download PDFInfo
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Abstract
The invention discloses a kind of division frame structural design and control method and device. Wherein, the method comprises: division frame is divided into synchronization slot, control slot, application time slot, data slot and reserved time slot; Wherein, synchronization slot for the main website that is operated in main carrier to other each website broadcast synchronization information in system; It is mutual that control slot carries out business control information for each website by main website; Application time slot according to self burst service situation, sends data communication application at main carrier to main website for each website; Data slot, for after data communication application is agreed to by main website, carries out data interaction; Reserved time slot is for resource reservation. By the invention solves reliable synchronization and the poor problem of transfer of data effect in existing carrier time division system, the frame structure that utilizes the present invention to create, and by the effective isochronous schedules between each carrier wave, greatly improve synchronization dependability and the efficiency of transmission of carrier time division system.
Description
Technical field
The present invention relates to communication field, particularly relate to a kind of division frame structural design and control method and dressPut.
Background technology
At present, in the carrier time division communication systems such as mobile duplex, satellite communication, widely apply based on businessFrame structure design and the control method thereof controlled, the methods such as the distribution by up-downgoing channel improve the biography of businessDefeated efficiency. But, do not have too much consideration for channel synchronization and the control of multicarrier, in base station/main websiteSignal strength signal intensity is inadequate, and in the situation of signal coverage density deficiency, synchronization dependability is poor, and channel dispatch efficiencyLow.
Poor for reliable synchronization and transfer of data effect in the existing carrier time division system in correlation techniqueProblem, effective solution is not yet proposed at present.
Summary of the invention
Poor for reliable synchronization and transfer of data effect in the existing carrier time division system in correlation techniqueProblem, the invention provides a kind of division frame structural design and control method and device, in order to solve onState technical problem.
According to an aspect of the present invention, the invention provides a kind of division frame structural design and control method thereof,Wherein, the method comprises: when division frame is divided into synchronization slot, control slot, application time slot, dataGap and reserved time slot; Wherein, above-mentioned synchronization slot for the main website that is operated in main carrier in system otherEach website broadcast synchronization information; Above-mentioned control slot carries out industry for above-mentioned each website by above-mentioned main websiteBusiness control information is mutual; Above-mentioned application time slot is used for above-mentioned each website according to self burst service situation,Main carrier sends data communication application to above-mentioned main website; Above-mentioned data slot is for agreeing to above-mentioned in above-mentioned main websiteAfter data communication application, carry out data interaction; Above-mentioned reserved time slot is for resource reservation.
Preferably, said method can also comprise: belong to Business Initiator's website by self operating frequency tuneWhole is business recipient's operating frequency, carries out data transmission by above-mentioned data slot; Belonging to business receivesThe website of side, in self operating frequency, carries out data receiver by above-mentioned data slot.
Preferably, said method can also comprise: above-mentioned application time slot also for above-mentioned each website to above-mentionedMain website sends status information; Wherein, above-mentioned status information includes logout request.
Preferably, said method can also comprise: in each time slot, be provided with guard time, synchronous head, onlySpecial code and data; Wherein, above-mentioned guard time is used for preventing that time slot from overlapping and causing losing; Above-mentionedSynchronous head completes for demodulator that the catching of each time slot, carrier wave are recovered, Timing Synchronization; Above-mentioned unique word is usedIn the type of each time slot of identification; Above-mentioned data are contents that above-mentioned each website sends.
According to a further aspect in the invention, the present invention also provides a kind of division frame structural design and has controlled dressPut, wherein, this device comprises: divide module, for division frame is divided into synchronization slot, control slot,Application time slot, data slot and reserved time slot; Wherein, above-mentioned synchronization slot is for being operated in main carrierMain website is to other each website broadcast synchronization information in system; Above-mentioned control slot is logical for above-mentioned each websiteCrossing above-mentioned main website, to carry out business control information mutual; Above-mentioned application time slot is used for above-mentioned each website according to selfBurst service situation, sends data communication application at main carrier to above-mentioned main website; Above-mentioned data slot is used forAbove-mentioned main website carries out data interaction after agreeing to above-mentioned data communication application; Above-mentioned reserved time slot is for resourceReserved.
Preferably, said apparatus can also comprise: synchronization module, and for according to above-mentioned division Module DivisionAbove-mentioned synchronization slot, broadcast synchronization information.
Preferably, said apparatus can also comprise: control module, and for according to above-mentioned division Module DivisionAbove-mentioned control slot, carries out the mutual of business control information.
Preferably, said apparatus can also comprise: application module, and for according to above-mentioned division Module DivisionAbove-mentioned application time slot, data communication is carried out in application.
Preferably, said apparatus can also comprise: data communication module, and for drawing according to above-mentioned division moduleThe above-mentioned data slot dividing, carries out data interaction.
Preferably, said apparatus can also comprise: reserved module, and for according to above-mentioned division Module DivisionAbove-mentioned reserved time slot, carries out resource reservation.
By the present invention, division frame is divided into synchronization slot, control slot, application time slot, data slotAnd reserved time slot, above-mentioned five time slots are respectively used to different functions, have solved existing many in correlation techniqueReliable synchronization and the poor problem of transfer of data effect in carrier time-division system, the frame structure of the present invention's original creation,To synchronous between multiple users, control ability is stronger, utilizes above frame structure, and by having between each carrier waveImitate isochronous schedules, can greatly improve synchronization dependability and the efficiency of transmission of carrier time division system, can extensively answerFor carrier time division communication systems such as mobile duplex, satellite communications.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technology of the present inventionMeans, and can being implemented according to the content of description, and for allow above and other objects of the present invention,Feature and advantage can become apparent, below especially exemplified by the specific embodiment of the present invention.
Brief description of the drawings
Fig. 1 is according to the division frame structural design of the embodiment of the present invention and the flow chart of control method thereof;
Fig. 2 is the division frame structural representation according to the embodiment of the present invention;
Fig. 3 is the flow process signal of carrying out Control and Schedule according to the frame structure of the embodiment of the present invention between each stationFigure;
Fig. 4 is according to the division frame structural design of the embodiment of the present invention and the structured flowchart of control device thereof.
Detailed description of the invention
In order to solve reliable synchronization and transfer of data effect in existing carrier time division system of the prior artPoor problem, the invention provides a kind of division frame structural design and control method and device, below knotClose accompanying drawing and embodiment, the present invention is further elaborated. Should be appreciated that described hereinSpecific embodiment only, in order to explain the present invention, does not limit the present invention.
The present embodiment provides a kind of division frame structural design and control method thereof, and Fig. 1 is real according to the present inventionExecute routine division frame structural design and the flow chart of control method thereof, as shown in Figure 1, the method comprises followingStep:
Step S102, by division frame be divided into synchronization slot, control slot, application time slot, data slot withAnd reserved time slot; Wherein, synchronization slot for the main website that is operated in main carrier to other each websites in systemBroadcast synchronization information; It is mutual that control slot carries out business control information for each website by main website; ApplicationTime slot according to self burst service situation, sends data communication application at main carrier to main website for each website;Data slot, for after data communication application is agreed to by main website, carries out data interaction; Reserved time slot is for moneySource is reserved.
By said method, when division frame is divided into synchronization slot, control slot, application time slot, dataGap and reserved time slot, above-mentioned five time slots are respectively used to different functions, have solved existing in correlation techniqueReliable synchronization and the poor problem of transfer of data effect in carrier time division system, the frame structure of the present invention's original creation,To synchronous between multiple users, control ability is stronger, utilizes above frame structure, and by having between each carrier waveImitate isochronous schedules, can greatly improve synchronization dependability and the efficiency of transmission of carrier time division system, can extensively answerFor carrier time division communication systems such as mobile duplex, satellite communications.
In the present embodiment, a main carrier is set for channel control and many in carrier time division communication systemSynchronous between carrier wave. All communication sites are all operated in main carrier at the first half of a time frame, complete letterRoad distribution and data are synchronous. A time frame is made up of multiple time slots, and time slot is divided into five types: when synchronousGap, application time slot, data slot, reserved time slot and control slot. In synchronization slot, be operated in main carrierMain website is to user's broadcast synchronization information in other system, and in control slot, each website carries out business control by main websiteInformation exchange processed, application time slot in each site users according to self burst service situation, at main carrier to main websitePropose data communication application, in data slot, each website adopts to send out according to application and becomes constant mode, the business receivedInitiator is adjusted into the operating frequency of self carrier wave of business recipient work, then carries out data transmission, industryBusiness recipient carries out data receiver at the work carrier wave of self. Based on this, it is a kind of preferred that the present embodiment providesEmbodiment, said method also comprises: self operating frequency is adjusted into industry by the website that belongs to Business InitiatorBusiness recipient's operating frequency, carries out data transmission by data slot; The website that belongs to business recipient existsSelf operating frequency, carries out data receiver by data slot.
Fig. 2 is the division frame structural representation according to the embodiment of the present invention, as shown in Figure 2, and main carrier, non-Main carrier 1 ..., non-main carrier N, multiple frames composition again separately, each frame comprises five time slots, pointNot synchronization slot, application time slot, data slot, reserved time slot and control slot. Each time slot comprisesGuard time, synchronous head, unique word and data.
Respectively the function of above-mentioned five kinds of time slots is introduced below.
Synchronization slot is the time slot of a kind of special role of main website transmission, and this time slot is only on the main carrier of main websiteSend. The effect of synchronization slot is as follows: for the time slot at the each station of carrier time division system provides synchronizing signal; ToCarrier time division system is respectively stood and is broadcasted the whole network configuration parameter (as frame length, network size etc.).
The effect of application time slot is as follows: each website sends the time slot request originally standing on each carrier wave to main website; Each stationPoint sends the status information (as entering logout request) of our station to main website. Provide one based on this present embodimentPreferred embodiment, applies for that time slot also sends status information for each website to main website; Wherein, this shapeState information includes logout request.
Data slot refers to that carrier time division system is respectively stood and sends the time slot of business datum. Each station utilizes and receivesData slot, can carry out synchronization.
Reserved time slot is for the resource reservation of specific uses such as encrypting.
Control slot has been used for following functions: main website sends all kinds of control informations to each station; Between the each station of the whole networkThe traffic signaling such as control, phone call/facsimile, each station state information mutual.
In each carrier wave, a time frame is divided into multiple time slots, and the guard time in structure of time slot is used for preventingTime slot overlaps and causes losing; Synchronous head for demodulator complete the catching of time slot, carrier wave recover, fixedTime synchronous etc.; Unique word is for identifying the type of time slot, as data slot, application time slot etc.; Data are stationsThe content that point sends. Based on this, the present embodiment provides a kind of preferred embodiment, and said method also wrapsDraw together: in each time slot, be provided with guard time, synchronous head, unique word and data; Wherein, guard timeBe used for preventing time slot from overlapping and cause losing; Synchronous head for demodulator complete the catching of each time slot,Carrier wave recovers, Timing Synchronization; Unique word is for identifying the type of each time slot; Data are that each website sendsContent.
When in carrier time division system, each station adopts fixed allocation mode to use request time slot, if system ruleMould is large (number of standing is more), can cause asking time slot proportion larger in a frame, has a strong impact on division frameEfficiency, under limiting case, there will be the requested time slot of division frame to account for and can not carry out business transmission. ForAddress this problem, in frame structure, introduce superframe concept, a superframe is made up of multiple frames.
In carrier time division system, adopt the frame structure that the present invention creates between each station, to carry out Control and Schedule,As shown in Figure 3, idiographic flow is as follows for its scheduling process:
1) main website that is operated in main carrier in synchronization slot to user in other system (as user in Fig. 31,User 2, user 3) broadcast synchronization information, now each website is all operated on main carrier frequency; 2) controlIn time slot, each website carries out business control information exchange by main website, as telephone signaling, fax signaling etc., withTime main website control information is sent to each user; 3) in application time slot, respectively stand user according to self burst serviceSituation proposes data communication application at main carrier to main website; 4) in data slot, each website adopts according to applicationSend out the constant mode received that becomes, Business Initiator changes operating frequency and carries out data at the carrier wave of recipient's work and send outSend, recipient carries out data receiver at the carrier wave of oneself work; 5) intrasystem broadcasting service is all being controlledIn time slot, complete, while needing the interior broadcast of system, in control slot, send, each station is now all operated in controlTime slot processed, adopts preempt-mode, carries out business transmission; 6) point-to-point service all completes in data slot.
Division frame structural design and the control method thereof introduced corresponding to above-described embodiment, the present embodiment providesA kind of division frame structural design and control device thereof, in order to realize above-described embodiment. Fig. 4 is according to the present inventionThe division frame structural design of embodiment and the structured flowchart of control device thereof, as shown in Figure 4, this device comprises:Divide module 10, for division frame being divided into synchronization slot, control slot, application time slot, data slotAnd reserved time slot; Wherein, above-mentioned synchronization slot for the main website that is operated in main carrier to other are each in systemIndividual website broadcast synchronization information; Above-mentioned control slot carries out business for above-mentioned each website by above-mentioned main websiteControl information is mutual; Above-mentioned application time slot, is being led according to self burst service situation for above-mentioned each websiteCarrier wave sends data communication application to above-mentioned main website; Above-mentioned data slot is for agreeing to above-mentioned number in above-mentioned main websiteAfter apply by letter, carry out data interaction; Above-mentioned reserved time slot is for resource reservation.
In the present embodiment, introduce the structure of division frame has been divided, for the different functions of above-mentioned five kinds of time slots,The present embodiment also provides a kind of preferred embodiment, and said apparatus also comprises: synchronization module, and for rootAccording to the above-mentioned synchronization slot of above-mentioned division Module Division, broadcast synchronization information. Control module, for according toState the above-mentioned control slot of dividing Module Division, carry out the mutual of business control information. Application module, forAccording to the above-mentioned application time slot of above-mentioned division Module Division, data communication is carried out in application. Data communication module,For according to the above-mentioned data slot of above-mentioned division Module Division, carry out data interaction. Reserved module, forAccording to the above-mentioned reserved time slot of above-mentioned division Module Division, carry out resource reservation.
As can be seen from the above description, the frame structure of embodiment of the present invention original creation is to same between multiple usersStep, control ability is stronger, utilizes above reliable frame structure design efficiently, and by having between each carrier waveImitate isochronous schedules, can greatly improve synchronization dependability and the efficiency of transmission of carrier time division system, can extensively answerFor carrier time division communication systems such as mobile duplex, satellite communications.
Although be example object, the preferred embodiments of the present invention are disclosed, those skilled in the art willRecognize that various improvement, increase and replacement are also possible, therefore, scope of the present invention should be not limited toState embodiment.
Claims (10)
1. division frame structural design and a control method thereof, is characterized in that, described method comprises:
Division frame is divided into synchronization slot, control slot, application time slot, data slot and reserved time slot;Wherein, described synchronization slot for the main website that is operated in main carrier to other each website broadcast synchronization in systemInformation; It is mutual that described control slot carries out business control information for described each website by described main website;Described application time slot for described each website according to self burst service situation, at main carrier to described main websiteSend data communication application; Described data slot is used for after described data communication application is agreed to by described main website,Carry out data interaction; Described reserved time slot is for resource reservation.
2. the method for claim 1, is characterized in that, described method also comprises:
The website that belongs to Business Initiator is adjusted into self operating frequency business recipient's operating frequency, logicalCross described data slot and carry out data transmission;
Belong to business recipient's website in self operating frequency, carry out data receiver by described data slot.
3. the method for claim 1, is characterized in that, described method also comprises:
Described application time slot also sends status information for described each website to described main website; Wherein, described inStatus information includes logout request.
4. method as claimed any one in claims 1 to 3, is characterized in that, described method is also wrappedDraw together:
In each time slot, be provided with guard time, synchronous head, unique word and data; Wherein, described protectionTime is used for preventing that time slot from overlapping and causing losing; Described synchronous head completes each time slot for demodulatorCatch, carrier wave recover, Timing Synchronization; Described unique word is for identifying the type of each time slot; Described numberAccording to being the content that described each website sends.
5. division frame structural design and a control device thereof, is characterized in that, described device comprises:
Divide module, when division frame being divided into synchronization slot, control slot, application time slot, dataGap and reserved time slot; Wherein, described synchronization slot for the main website that is operated in main carrier in system otherEach website broadcast synchronization information; Described control slot carries out industry for described each website by described main websiteBusiness control information is mutual; Described application time slot is used for described each website according to self burst service situation,Main carrier sends data communication application to described main website; Described in described data slot is used for agreeing in described main websiteAfter data communication application, carry out data interaction; Described reserved time slot is for resource reservation.
6. device as claimed in claim 5, is characterized in that, described device also comprises:
Synchronization module, for according to the described synchronization slot of described division Module Division, broadcast synchronization information.
7. device as claimed in claim 5, is characterized in that, described device also comprises:
Control module, for according to the described control slot of described division Module Division, carries out Service control letterWhat cease is mutual.
8. device as claimed in claim 5, is characterized in that, described device also comprises:
Application module, for according to the described application time slot of described division Module Division, applies for carrying out data and leads toLetter.
9. device as claimed in claim 5, is characterized in that, described device also comprises:
Data communication module, for according to the described data slot of described division Module Division, carries out data friendshipMutually.
10. device as claimed in claim 5, is characterized in that, described device also comprises:
Reserved module, for according to the described reserved time slot of described division Module Division, carries out resource reservation.
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| US10341892B2 (en) * | 2014-09-30 | 2019-07-02 | Lg Electronics Inc. | Method for measuring inter-device interference in wireless communication system supporting FDR transmission, and apparatus therefor |
| CN112738916A (en) * | 2020-12-29 | 2021-04-30 | 北京融讯信通科技有限公司 | Frame structure suitable for high-speed frequency hopping system and application thereof |
| CN115102606B (en) * | 2022-06-15 | 2023-08-22 | 南京信息工程大学 | Centerless MF-TDMA satellite communication system and networking and resource on-demand adjustment method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1449139A (en) * | 2002-04-03 | 2003-10-15 | 华为技术有限公司 | Method for transmitting high-speed data service based on time-division duplex mode |
| CN101242414B (en) * | 2008-03-19 | 2011-05-25 | 哈尔滨工业大学 | Cross-layer protocol communication method based on planet network MAC protocol |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1449139A (en) * | 2002-04-03 | 2003-10-15 | 华为技术有限公司 | Method for transmitting high-speed data service based on time-division duplex mode |
| CN101242414B (en) * | 2008-03-19 | 2011-05-25 | 哈尔滨工业大学 | Cross-layer protocol communication method based on planet network MAC protocol |
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